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  1. Home /
  2. Intelligent Connectivity /
  3. Serial / USB Communications /
  4. Serial Converters/Isolators/Repeaters - ULI-200 /
  5. RS-232 to RS-485 Converters - ULI-226 Series /

BB-485SD9RJ
ULI-226J - RS-232 (DB9 Female) to RS-485 2-Wire (RJ 11) Converter

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  • Extend RS-232 data signals up to 1.2 km (4,000 ft)
  • Change RS-232 TD and RD to RS-485 signals
  • Automatic Send Data Control - no software drivers necessary
  • Baud rates up to 115.2 kbps
  • Powered from RS-232 handshake lines - no power supply required
Datasheet (PDF)
Documents & Downloads
This port-powered, two channel converter allows your computer to communicate longer distances by converting TD and RD RS-232 lines to RS-485 signals. RS-485 also provides multi-drop capability. Model 485SD9RJ features Automatic Send Data Control which enables the driver when data is present on the RS-232 side. Control of the driver is automatic at speeds up to 115.2 kbps. The converter is powered from the RS-232 data and handshake lines whether the lines are high or low. No handshake line change is necessary to control the data lines. The RS-485 driver is enabled with each bit of data. The RS-485 receiver is disabled when the driver is enabled and is enabled when the driver is disabled. This converter is suitable for field service, where a power supply would add clutter, or anywhere you need compact, easy-to-use, economically priced serial conversion.

Product Specifications Download Spec

  • Part Number
  • Details
General
  • Temperature
  • Serial Type
  • RS-232 Connector
  • RS-422/485 Connector
Serial Communication
  • Serial Converter
  • Serial Port Connector Type
  • Serial Port Number
  • Maximum Serial Transmission Speed
Environment
  • Temperature (Operating Range)
Power
  • Power Input (Serial)
Accessory General
  • Mounting

General

  • Temperature

    BB-485SD9RJ 0 to 70C

  • Serial Type

    BB-485SD9RJ RS-485

  • RS-232 Connector

    BB-485SD9RJ DB9 Female

  • RS-422/485 Connector

    BB-485SD9RJ RJ-11

Serial Communication

  • Serial Converter

    BB-485SD9RJ RS-232 to RS-485

  • Serial Port Connector Type

    BB-485SD9RJ 1 x DB9 Female , 1 x RJ11

  • Serial Port Number

    BB-485SD9RJ 1

  • Maximum Serial Transmission Speed

    BB-485SD9RJ 115.2 Kbps

Environment

  • Temperature (Operating Range)

    BB-485SD9RJ 0 ~ 70°C (32 ~ 158°F)

Power

  • Power Input (Serial)

    BB-485SD9RJ Port-Powered from RS-232

Accessory General

  • Mounting

    BB-485SD9RJ Inline

Support

Datasheet (PDF) Documents & Downloads

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